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Finding the Fourth Proportional to 117,587.60, 176,208.60 and 47,344.40

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Solution

The fourth proportional to 117,587.60, 176,208.60 and 47,344.40 is: 70,947.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,587.60 : 176,208.60 = 47,344.40 : x
  2. Step 2: Convert to fraction form
    117,587.60/176,208.60 = 47,344.40/x
  3. Step 3: Cross multiply
    117,587.60x = 176,208.60 × 47,344.40
  4. Step 4: Simplify right side
    117,587.60x = 8,342,490,441.84
  5. Step 5: Solve for x
    x = 8,342,490,441.84/117,587.60
  6. Step 6: Final answer
    x = 70,947.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.